code: def test_b_init_custom(self):
      mod = bias.Bias(b_init=jnp.ones)
      x = jnp.ones([1, 1])
      y = mod(x)
      np.testing.assert_allclose(y, x + 1)
  
file_path: dm-haiku/haiku/_src/bias_test.py
imports: from absl.testing import absltest
  from haiku._src import bias
  from haiku._src import test_utils
  from haiku._src import transform
  import jax.numpy
  import numpy
label_desc: Use image node_id 8 for calling the BiasTest obj's underlying member method code with example usage: obj.test_b_init_custom() without return types